BUG: 334261 Use contrasting foreground color for pen.

src/part/progressBox.cpp

@@ -121,6 +121,7 @@ void ProgressBox::paintEvent(QPaintEvent*)
     }
 
     paint.setBrush(view.background(KColorScheme::ActiveBackground));
+    paint.setPen(view.foreground().color());
     paint.translate(0.5, 0.5);
     paint.drawRoundedRect(95-m_textWidth/2, 85, m_textWidth+10, m_textHeight+10, 5, 5);
     paint.translate(-0.5, -0.5);